code: def toXML(self, writer, ttFont):
      writer.begintag(self.__class__.__name__)
      writer.newline()
      for metricName in sstruct.getformat(self.__class__.binaryFormat)[
          1
      ]:
          writer.simpletag(metricName, value=getattr(self, metricName))
          writer.newline()
      writer.endtag(self.__class__.__name__)
      writer.newline()
  
file_path: catboost/contrib/python/fonttools/fontTools/ttLib/tables/BitmapGlyphMetrics.py
imports: from fontTools.misc import sstruct
  from fontTools.misc.textTools import safeEval
  import logging
label_desc: Use image node_id 1 for calling the BitmapGlyphMetrics obj's underlying member method code with example usage: obj.toXML(writer, ttFont) without return types